serverless.yml

service: spacebot

custom:
  favoritesTableName: 'spacebot-${self:provider.stage}-favorites'
  tokensTableName: 'spacebot-${self:provider.stage}-oauthtokens'
  config: ${file(config/config.${self:provider.stage}.yml)}

provider:
  name: aws
  profile: spacebot
  runtime: nodejs16.x
  region: us-east-1
  stage: ${opt:stage, 'dev'}
  memorySize: 128
  timeout: 6
  iam:
    role:
      name: spacebot
      statements:
        - Effect: Allow
          Action:
            - dynamodb:Query
            - dynamodb:Scan
            - dynamodb:GetItem
            - dynamodb:PutItem
            - dynamodb:UpdateItem
            - dynamodb:DeleteItem
          Resource:
            - !GetAtt FavoritesDynamoDBTable.Arn
            - !GetAtt TokensDynamoDBTable.Arn

functions:
  messages:
    handler: functions/messages/handler.handler
    description: Slack Interactive Messages Handler
    events:
      - http:
          path: slack/messages
          method: post
    environment:
      SLACK_TOKEN: ${self:custom.config.SLACK_TOKEN}
      FAVORITES_TABLE_NAME: ${self:custom.favoritesTableName}
  oauth:
    handler: functions/oauth/handler.oauth
    description: Slack OAuth function
    memorySize: 256
    timeout: 15
    events:
      - http:
          path: slack/oauth
          method: get
    environment:
      OAUTH_SUCCESS_URL: ${self:custom.config.OAUTH_SUCCESS_URL}
      OAUTH_ERROR_URL: ${self:custom.config.OAUTH_ERROR_URL}
      SLACK_CLIENT_ID: ${self:custom.config.SLACK_CLIENT_ID}
      SLACK_CLIENT_SECRET: ${self:custom.config.SLACK_CLIENT_SECRET}
      SLACK_API_URL: ${self:custom.config.SLACK_API_URL}
      TOKENS_TABLE_NAME: ${self:custom.tokensTableName}
  slack:
    handler: functions/slack/handler.slash
    description: Slack /spacebot slash command function
    events:
      - http:
          path: slack/slash
          method: post
      - schedule:
          rate: rate(5 minutes)
          enabled: true
    environment:
      SLACK_TOKEN: ${self:custom.config.SLACK_TOKEN}
      NASA_API_KEY: ${self:custom.config.NASA_API_KEY}

resources:
  Resources:
    FavoritesDynamoDBTable:
      Type: AWS::DynamoDB::Table
      Properties:
        AttributeDefinitions:
          - AttributeName: slackUserId
            AttributeType: S
          - AttributeName: mediaId
            AttributeType: N
          - AttributeName: service
            AttributeType: S
        KeySchema:
          - AttributeName: slackUserId
            KeyType: HASH
          - AttributeName: mediaId
            KeyType: RANGE
        LocalSecondaryIndexes:
          - IndexName: userFavoritesByType
            KeySchema:
              - AttributeName: slackUserId
                KeyType: HASH
              - AttributeName: service
                KeyType: RANGE
            Projection:
              NonKeyAttributes:
                - mediaId
              ProjectionType: INCLUDE
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
        TableName: ${self:custom.favoritesTableName}

    TokensDynamoDBTable:
      Type: AWS::DynamoDB::Table
      Properties:
        AttributeDefinitions:
          - AttributeName: slackUserId
            AttributeType: S
          - AttributeName: teamId
            AttributeType: S
        KeySchema:
          - AttributeName: slackUserId
            KeyType: HASH
          - AttributeName: teamId
            KeyType: RANGE
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
        TableName: ${self:custom.tokensTableName}